jemari11 jemari11

09-02-2020
Mathematics

contestada

Phillip has x marbles. His father gave him 2 times the number of marbles he has. Now he has 21. How many marbles did Phillip have before?

Respuesta :

alkajp2005 alkajp2005

09-02-2020

Answer:

7 marbles

Step-by-step explanation:

Let the number of marbles he had be x

ie. X + 2X =21

3X=21

X=21/3=7

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